Daily Practice
Foundation Plus
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24th February 1968
- 1Capture Recapture3 marks
20 voles are marked and released. Later 48 are caught, of which 8 are marked. Estimate the population.
- 2Indices2 marks
Write 7^8 / 7^2 as a single power of 7.
- 3Changing the Subject of a Formula3 marks
Make x the subject of y = 4x + 6.
- 4Ratio2 marks
Red and blue sweets are in the ratio 3 : 8. There are 15 red sweets. How many sweets are there altogether?
- 5Spheres and Cones3 marks
A cone has base radius 2 cm and vertical height 9 cm. Work out its volume, leaving your answer in terms of pi.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1968, including the monthly compilation PDF.